refactor: get rid of url.parse in core

src/api/helpers.js

@@ -1,6 +1,5 @@
 'use strict';
 
-const url = require('url');
 const user = require('../user');
 const topics = require('../topics');
 const posts = require('../posts');
@@ -29,7 +28,7 @@ exports.buildReqObject = (req, payload) => {
 	const referer = headers.referer || '';
 
 	if (!host) {
-		host = url.parse(referer).host || '';
+		host = new URL(referer).host || '';
 	}
 
 	return {